The MagnaFlow 12198 is an oval straight-through performance muffler with a satin-finish 5x8x14in body and a 3in center inlet / 2.5in dual outlet (Center/Dual) layout. Its perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill delivers MagnaFlow's signature deep exhaust note. The universal design allows flexible placement within your exhaust system; professional installation is recommended. CNC precision robotic manufactured with durable corrosion-resistant stainless steel, backed by MagnaFlow's limited lifetime warranty.
Specifications
| Type | Straight-through performance muffler |
| Body | Oval - 5x8x14in - satin finish |
| Inlet/Outlet | 3in center in / 2.5in dual out |
| Configuration | Center/Dual |
| Material | Stainless steel |
| Part Number | 12198 |
| Warranty | Limited lifetime |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2011 | Chevrolet | Cobalt | LS |
| 2005-2011 | Chevrolet | Cobalt | LT |
| 2008-2010 | Chevrolet | Cobalt | LTZ |
| 2005-2011 | Chevrolet | Cobalt | SS |
| 2005-2006 | Chevrolet | Cobalt | Sport |
| 1994-1997 | Chevrolet | S10 | LS |
| 1994-1997 | Chevrolet | S10 | Base |
| 1999-2005 | Chevrolet | Cavalier | Base |
| 1999-2005 | Chevrolet | Cavalier | LS |
| 1999-2002 | Chevrolet | Cavalier | Z24 |
| 1997-1999 | Chevrolet | Malibu | Base |
| 1997-1999 | Chevrolet | Malibu | LS |
| 2004-2005 | Chevrolet | Malibu | Base |
| 2004-2005 | Chevrolet | Malibu | LS |
| 2004-2005 | Chevrolet | Malibu | LT |
| 1994-2000 | GMC | Sonoma | SL |
| 1994-2000 | GMC | Sonoma | SLE |
| 1994-2000 | GMC | Sonoma | SLS |
| 2000 | Pontiac | Firebird | Base |
| 1999-2000 | Pontiac | Firebird | Formula |
| 1999-2000 | Pontiac | Firebird | Trans Am |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
